The eldest Jonas Brother, 28, and his wife, 29, made the sweet announcement on their Instagram accounts, where they both shared a collage of their firstborn, 2-year-old daughter Alena, holding an oversize heart-shaped pink balloon that reads “Baby Girl.”

As previously reported, the happy couple announced on April 25 that Danielle is pregnant with their second child.

“Prepping for baby number two! #babyjonas2,” she captioned an Instagram photo of herself surrounded by comfort foods while her musician hubby read the bestselling pregnancy guide What to Expect When You’re Expecting.

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“I’ve always just wanted two kids that were both girls, and my wife was like, ‘Why?’” he said on May 24. “I’m like, ‘Because I’ve been around boys so much my entire life that I want to be surrounded by girls.’”

Kevin and Danielle welcomed their first daughter in February 2014. Since then, they’ve shared countless photos of Alena growing up.